NASDAQ : MGNX
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| Filing Date | Reporting Person | Amount Beneficially Owned | % of Class |
|---|---|---|---|
| 2026-07-29 | BlackRock, Inc. | 4.5M | 7.10% |
| 2026-06-05 | Millennium Management LLC | 3.44M | 5.40% |
| 2026-05-15 | Armistice Capital, LLC | 6.01M | 9.46% |
| 2026-05-14 | Millennium Management LLC | 3.07M | 4.80% |
| 2026-05-14 | BANK OF AMERICA CORP /DE/ | 3.26M | 5.10% |
| 2026-03-27 | The Vanguard Group | - | 0.00% |
| 2026-02-17 | Armistice Capital, LLC | 6.32M | 9.99% |
| 2026-02-13 | Frazier Life Sciences Public Fund, L.P. | - | 0.00% |
| 2026-01-06 | Bellevue Group AG | - | 0.00% |
| 2025-11-12 | Wasatch Advisors LP | 1.95M | 3.10% |
| 2025-08-14 | Armistice Capital, LLC | 5.96M | 9.45% |
| 2025-08-14 | Frazier Life Sciences Public Fund, L.P. | 1.55M | 2.50% |
| 2025-07-17 | BlackRock, Inc. | 1.81M | 2.90% |
| 2025-07-07 | Bellevue Group AG | 9.93M | 15.70% |
| 2025-06-13 | BB Biotech AG | - | 0.00% |
| 2025-05-15 | Armistice Capital, LLC | 6.3M | 9.98% |
| 2025-04-17 | Millennium Management LLC | 1.72M | 2.70% |
| 2025-02-14 | RA Capital Management, L.P. | - | 0.00% |
| 2025-02-14 | Armistice Capital, LLC | 6.28M | 9.99% |
| 2025-02-14 | BB Biotech AG | 9.93M | 15.80% |
| 2025-02-11 | WASATCH ADVISORS LP | 3.49M | 5.60% |
| 2024-11-20 | Frazier Life Sciences X, L.P. | 125.51K | 0.20% |
| 2024-11-20 | FHMLS XI, L.P. | 575.15K | 0.90% |
| 2024-11-20 | FHMLS XI, L.L.C. | 575.15K | 0.90% |
| 2024-11-20 | Frazier Life Sciences Public Fund, L.P. | 1.55M | 2.50% |
| 2024-11-20 | FHMLSP Overage, L.P. | 925.81K | 1.50% |
| 2024-11-20 | FHMLSP Overage, L.L.C. | 925.81K | 1.50% |
| 2024-11-20 | FHMLS X, L.P. | 125.51K | 0.20% |
| 2024-11-20 | Frazier Life Sciences XI, L.P. | 575.15K | 0.90% |
| 2024-11-20 | James Brush | 2.48M | 3.90% |
| 2024-11-20 | Daniel Estes | 575.15K | 0.90% |
| 2024-11-20 | Albert Cha | 2.48M | 3.90% |
| 2024-11-20 | Patrick J. Heron | 3.18M | 5.10% |
| 2024-11-20 | James N. Topper | 3.18M | 5.10% |
| 2024-11-20 | FHMLSP, L.P. | 1.55M | 2.50% |
| 2024-11-20 | FHMLSP, L.L.C. | 1.55M | 2.50% |
| 2024-11-20 | Frazier Life Sciences Public Overage Fund, L.P. | 925.81K | 1.50% |
| 2024-11-20 | FHMLS X, L.L.C. | 125.51K | 0.20% |
| 2024-06-04 | Israel A. Englander | 3.21M | 5.10% |
| 2024-06-04 | Millennium Group Management LLC | 3.21M | 5.10% |
| 2024-06-04 | Millennium Management LLC | 3.21M | 5.10% |
| 2024-05-21 | Israel A. Englander | 2.7M | 4.30% |
| 2024-05-21 | Millennium Group Management LLC | 2.7M | 4.30% |
| 2024-05-21 | Millennium Management LLC | 2.7M | 4.30% |
| 2024-02-14 | 85-4328500 | 5.64M | 9.10% |
| 2023-10-30 | RA Capital Management, L.P. | 3.76M | 6.10% |
| 2023-10-30 | RA Capital Healthcare Fund, L.P. | 3.76M | 6.10% |
| 2023-10-30 | Rajeev Shah | 3.76M | 6.10% |
| 2023-10-30 | Peter Kolchinsky | 3.76M | 6.10% |
| 2023-02-14 | Steven Boyd | 6.09M | 9.91% |
| 2023-02-14 | Armistice Capital, LLC | 6.09M | 9.91% |
| 2022-09-02 | Israel A. Englander | 3.19M | 5.20% |
| 2022-09-02 | Millennium Management LLC | 3.19M | 5.20% |
| 2022-09-02 | Millennium Group Management LLC | 3.19M | 5.20% |
| 2022-08-15 | Rajeev Shah | - | 0.00% |
| 2022-08-15 | RA Capital Management, L.P. | - | 0.00% |
| 2022-08-15 | Peter Kolchinsky | - | 0.00% |
| 2022-08-15 | RA Capital Healthcare Fund, L.P. | - | 0.00% |
| 2022-02-14 | RTW Investments, LP | 3.98M | 6.50% |
| 2022-02-14 | Roderick Wong | 3.98M | 6.50% |
| 2022-02-11 | 2. | 7.28M | 11.90% |
| 2022-02-11 | Wasatch Advisors, Inc. 87-0319391 | 4.11M | 6.70% |
| 2022-02-11 | 10. | 7.28M | 11.90% |
| 2022-02-10 | The Vanguard Group - 23-1945930 | 3.95M | 6.44% |
| 2022-02-04 | THE GOLDMAN SACHS GROUP, INC. | 3.3M | 5.40% |
| 2022-02-04 | GOLDMAN SACHS & CO. LLC | 3.3M | 5.40% |
| 2022-02-03 | (1) BlackRock, Inc. | 5.19M | 8.50% |
| 2021-02-16 | Rajeev Shah | 4.38M | 7.80% |
| 2021-02-16 | RA Capital Management, L.P. | 4.38M | 7.80% |
| 2021-02-16 | Cubist Systematic Strategies, LLC | 15425.0 | 4.00% |
| 2021-02-16 | Point72 Asset Management, L.P. | 1.46M | 4.00% |
| 2021-02-16 | Peter Kolchinsky | 4.38M | 7.80% |
| 2021-02-16 | Point72 Capital Advisors, Inc. | 1.46M | 4.00% |
| 2021-02-16 | RA Capital Healthcare Fund, L.P. | 4.36M | 7.80% |
| 2021-02-16 | Steven A. Cohen | 1.48M | 4.00% |
| 2021-02-12 | BB Biotech AG | 4.82M | 8.60% |
| 2021-02-12 | Biotech Target N.V. | 4.82M | 8.60% |
| 2021-02-11 | Wasatch Advisors, Inc. 87-0319391 | 3.67M | 6.50% |
| 2021-01-29 | (1) BlackRock, Inc. | 5.1M | 9.10% |
| 2020-08-21 | Point72 Asset Management, L.P. | 2.68M | 4.00% |
| 2020-02-14 | 52-0556948 | 3003.0 | 0.00% |
| 2020-02-13 | 98-0557567 | 4.5M | 9.20% |
| 2019-02-14 | 52-0556948 | 2.25M | 5.30% |
| 2019-02-11 | Vanguard Group - 23-1945930 | 2.55M | 6.03% |
| 2019-01-22 | Johnson & Johnson | 1.92M | 4.60% |
| 2019-01-22 | Johnson & Johnson Innovation-JJDC, Inc. | 1.92M | 4.60% |
| 2019-01-18 | OppenheimerFunds, Inc. | 4.45M | 10.53% |
| 2018-02-14 | 10 | 2.2M | 6.00% |
| 2018-02-14 | 10 | 2.2M | 6.00% |
| 2018-02-14 | 10 | 787.26K | 2.10% |
| 2018-02-14 | 10. | 2.6M | 7.10% |
| 2018-02-06 | OppenheimerFunds, Inc. | 3.93M | 10.68% |
| 2017-11-06 | 10 | 2.2M | 6.00% |
| 2017-11-06 | 10 | 2.52M | 6.90% |
| 2017-11-06 | 10 | 2.2M | 6.00% |
| 2017-11-06 | 10 | 323.22K | 0.90% |
| 2017-06-12 | 1,987,000 | 1.99M | 5.50% |
| 2017-06-12 | 1,987,000 | 1.99M | 5.50% |
| 2017-06-12 | 1,987,000 | 1.99M | 5.50% |
| 2016-02-04 | OppenheimerFunds, Inc. | 2.89M | 8.42% |
| 2016-01-28 | (1) BlackRock, Inc. | 2.09M | 6.10% |
| 2015-02-13 | Abigail P. Johnson | 3.21M | 11.56% |
| 2015-02-13 | Edward C. Johnson 3d | 3.21M | 11.56% |
| 2015-02-13 | FMR LLC | 3.21M | 11.56% |
| 2015-02-13 | Select Biotechnology Portfolio | 2.52M | 9.08% |
| 2015-02-12 | Alta BioPharma Partners III, L.P. | 1.56M | 5.60% |
| 2015-02-12 | Farah Champsi | 1.7M | 6.10% |
| 2015-02-12 | Alta BioPharma Partners III GmbH & Co. Beteiligungs KG | 104.88K | 0.40% |
| 2015-02-12 | Alta BioPharma Management III, LLC | 1.67M | 6.00% |
| 2015-02-12 | Alta Embarcadero BioPharma Partners III, LLC | 38484.0 | 0.10% |
| 2015-02-12 | Edward Penhoet | 1.7M | 6.10% |
| 2015-02-05 | EIN: 22-1024240 | 1.92M | 6.50% |
| 2015-02-05 | 10. | 615.0 | 0.00% |
| 2015-02-05 | 1,021 | 1021.0 | 0.00% |
| 2015-02-05 | 10. | 2042.0 | 0.00% |
| 2015-02-05 | 10. | 2247.0 | 0.00% |
| 2015-02-05 | 10. | 5359.0 | 0.00% |
| 2015-02-05 | 10. | - | 0.00% |
| 2015-02-05 | 10. | - | 0.00% |
| 2015-02-05 | 10. | - | 0.00% |
| 2015-02-05 | 10. | - | 0.00% |
| 2015-02-05 | 10. | - | 0.00% |
| 2015-02-05 | 1,964 | 1964.0 | 0.00% |
| 2015-02-05 | 10. | 2436.0 | 0.00% |
| 2015-02-05 | 0.1% | 14836.0 | 0.10% |
| 2015-02-05 | 10. | - | 0.00% |
| 2015-02-05 | 10. | - | 0.00% |
| 2015-02-05 | 10. | - | 0.00% |
| 2015-02-05 | 10. | - | 0.00% |
| 2014-04-09 | EverPoint Asset Management, LLC | 50000.0 | 0.20% |
| 2014-04-09 | Point72 Capital Advisors, Inc. | 1.76M | 6.40% |
| 2014-04-09 | Steven A. Cohen | 1.82M | 6.60% |
| 2014-04-09 | Point72 Asset Management, L.P. | 1.76M | 6.40% |
| 2014-04-09 | Cubist Systematic Strategies, LLC | 5523.0 | 4.00% |
| 2014-02-14 | Alta Embarcadero BioPharma Partners III, LLC | 45447.0 | 0.18% |
| 2014-02-14 | Farah Champsi | 2.01M | 8.05% |
| 2014-02-14 | Edward Penhoet | 2.01M | 8.05% |
| 2014-02-14 | Edward Hurwitz | 2.01M | 8.05% |
| 2014-02-14 | Alta BioPharma Partners III, L.P. | 1.84M | 7.37% |
| 2014-02-14 | Alta BioPharma Partners III GmbH & Co. Beteiligungs KG | 123.85K | 0.50% |
| 2014-02-14 | Alta BioPharma Management III, LLC | 1.97M | 7.87% |
| 2014-02-13 | George R. Hecht | 5.14M | 5.80% |
| 2014-02-13 | TPG Group Holdings (SBS) Advisors, Inc. | 2.21M | 8.80% |
| 2014-02-13 | James G. Coulter | 2.21M | 8.80% |
| 2014-02-13 | David Bonderman | 2.21M | 8.80% |
| 2014-02-12 | Alpha Capital Anstalt | 694.44K | 8.11% |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2025-12-31 | $1.61 | 63.16M | $101.68M | $57.22M | $106.76M | $151.22M |
| 2024-12-31 | $3.25 | 62.62M | $203.52M | $182.84M | $37.46M | $58.14M |
| 2023-12-31 | $9.62 | 61.93M | $595.76M | $100.96M | $33.97M | $528.77M |
| 2022-12-31 | $6.71 | 61.41M | $412.09M | $108.88M | $34.83M | $338.04M |
| 2021-12-31 | $16.05 | 59.94M | $962.11M | $123.47M | $25.47M | $864.11M |
| 2020-12-31 | $22.86 | 52.44M | $1.2B | $181.13M | $29.25M | $1.05B |
| 2019-12-31 | $10.88 | 48.08M | $523.14M | $126.47M | $30.57M | $427.24M |
| 2018-12-31 | $12.70 | 40.93M | $519.75M | $220.13M | -$ | $299.62M |
| 2017-12-31 | $19.00 | 36.1M | $685.81M | $211.73M | $298K | $474.38M |
| 2016-12-31 | $20.44 | 34.69M | $708.97M | $84.1M | $1.89M | $626.76M |
| Date | Stock Price | Shares Outstanding | Market Cap | Cash & Equivalents | Total Debt | Enterprise Value |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2.89 | 63.45M | $183.37M | $66.52M | $36.51M | $153.36M |
| 2025-12-31 | $1.61 | 63.16M | $101.68M | $57.22M | $106.76M | $151.22M |
| 2025-09-30 | $1.68 | 63.23M | $106.23M | $80.13M | $37.01M | $63.11M |
| 2025-06-30 | $1.21 | 63.14M | $76.39M | $130.69M | $107.51M | $53.22M |
| 2025-03-31 | $1.27 | 62.97M | $79.97M | $145.57M | $37.47M | -$28.14M |
| 2024-12-31 | $3.25 | 62.62M | $203.52M | $182.84M | $37.46M | $58.14M |
| 2024-09-30 | $3.29 | 62.74M | $206.43M | $179.62M | $34.1M | $60.9M |
| 2024-06-30 | $4.30 | 62.66M | $269.45M | $83.93M | $34.06M | $219.58M |
| 2024-03-31 | $14.02 | 62.29M | $873.31M | $80.36M | $34.01M | $826.97M |
| 2023-12-31 | $9.62 | 62.07M | $597.12M | $100.96M | $33.97M | $530.13M |
| 2023-09-30 | $4.66 | 61.98M | $288.83M | $89.9M | $34.11M | $233.04M |
| 2023-06-30 | $5.35 | 61.88M | $331.06M | $108.76M | $34.32M | $256.62M |